[Form 4] COPT DEFENSE PROPERTIES Insider Trading Activity

Rhea-AI Filing Summary

COPT Defense Properties executive Anthony Mifsud, EVP and CFO, received an equity-based award. On 02/05/2026 he was granted 55,217 Profit Interest Units at a price of $0 under the COPT Defense Properties 2017 Omnibus Equity and Incentive Plan.

Each Profit Interest Unit can automatically convert into one OP Unit in COPT Defense Properties, L.P. once vested and capital is equalized, and OP Units are redeemable for cash or exchangeable at the company’s option into common shares on a one-for-one basis. Following this grant, he beneficially owns 314,451 derivative securities.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Mifsud Anthony

Role EVP AND CFO

Type	Security	Shares	Price	Value
Grant/Award	Profit Interest Units	55,217	$0.00	--

Holdings After Transaction: Profit Interest Units — 314,451 shares (Direct)

Footnotes (1)

1. Each Profit Interest Unit will convert automatically into one share of beneficial interest, designated as a unit (an "OP Unit"), in COPT Defense Properties, L.P. when such Profit Interest Unit becomes vested and upon equalization of it's capital account balance. OP Units are redeemable for cash, or, at the option of COPT Defense Properties, exchangeable for common shares of COPT Defense Properties, currently on a one-for-one basis. Represents Profit Interest Units issued pursuant to the COPT Defense Properties 2017 Omnibus Equity and Incentive Plan.

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Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Mifsud Anthony

(Last) (First) (Middle)

6711 COLUMBIA GATEWAY DRIVE

SUITE 300

(Street)

COLUMBIA MD 21046

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
COPT DEFENSE PROPERTIES [ CDP ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP AND CFO

3. Date of Earliest Transaction (Month/Day/Year)
02/05/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Profit Interest Units	(1)	02/05/2026		A		55,217(2)		(1)	(1)	Common Shares	55,217	$0	314,451	D

Explanation of Responses:

1. Each Profit Interest Unit will convert automatically into one share of beneficial interest, designated as a unit (an "OP Unit"), in COPT Defense Properties, L.P. when such Profit Interest Unit becomes vested and upon equalization of it's capital account balance. OP Units are redeemable for cash, or, at the option of COPT Defense Properties, exchangeable for common shares of COPT Defense Properties, currently on a one-for-one basis.

2. Represents Profit Interest Units issued pursuant to the COPT Defense Properties 2017 Omnibus Equity and Incentive Plan.

	/s/ David L. Finch, by Power of Attorney	02/06/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.